In some instances, you can develop a form of ear canal infection called external otitis or otitis externa. No, you ought to have no pain or discomfort during the therapy. See your physician if the condition persists. If you suspect you've developed a fungal toenail infection it's wise to see your podiatrist who can professionally diagnose and treat the problem. In the event you have to take fungal laser treatment for your affected toenails, you simply will need to walk in the clinic of your podiatrist. It takes about 20 minutes to treat both feet and there is usually no discomfort experienced after the treatment.